Home / 28,444,891.20-39,253,676.34-15,391,864.32

Finding the Fourth Proportional to 28,444,891.20, 39,253,676.34 and 15,391,864.32

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Solution

The fourth proportional to 28,444,891.20, 39,253,676.34 and 15,391,864.32 is: 21,240,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444,891.20 : 39,253,676.34 = 15,391,864.32 : x
  2. Step 2: Convert to fraction form
    28,444,891.20/39,253,676.34 = 15,391,864.32/x
  3. Step 3: Cross multiply
    28,444,891.20x = 39,253,676.34 × 15,391,864.32
  4. Step 4: Simplify right side
    28,444,891.20x = 604,187,260,286,474.25
  5. Step 5: Solve for x
    x = 604,187,260,286,474.25/28,444,891.20
  6. Step 6: Final answer
    x = 21,240,624.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.